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Square D HLA36045 Molded Case Circuit Breaker
- 45A
- 3 Pole
- I-Line
Square D
HLA36045
Molded Case Circuit Breaker
Brand
Square D
SKU
HLA36045
Quantity
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Square D HLA36045 - 45A 3 Pole Molded Case Circuit Breaker
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Description
Built for industrial distribution networks, the Square D HLA36045 is a 3-pole, 45A PowerPacT H-Frame molded case circuit breaker. It provides long-time and instantaneous (LI) thermal-magnetic trip functions for robust circuit protection. This breaker mounts into Square D I-Line panelboards and switchboards. It features a plug-in I-Line connection and includes load side lugs that accommodate 14-3/0 AWG wire. It serves as a substitute for the HRA36045.Specifications
| Brand | Square D |
|---|---|
| Series | HLA |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC, 500VDC |
| Phase | 3 |
| AIC Rating | 125kA @ 240VAC, 100kA @ 480VAC, 50kA @ 600VAC, 20kA @ 250VDC, 50kA @ 500VDC |
| Frame Type | HLA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards, Square D I-Line Switchboards |
| Wire Gauge | 14-3/0 AWG (Al/Cu) |
| Max Wire | 3/0 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CE, CSA, HACR, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | Current Limiting, HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, 80% Rated, Mercury Free, PVC Free |
Product FAQs
7 answersWhich panelboards are compatible with the HLA36045 breaker?
This breaker is designed exclusively for Square D I-Line panelboards and switchboards. It utilizes a plug-in mounting style that connects directly to the I-Line bus assembly.
How is the HLA36045 installed into the panel?
It features an I-Line plug-in connection. The breaker snaps onto the busbar stack and is secured in place using the built-in mounting bracket, eliminating the need for individual cable connections to the bus.
What does the L in the HLA36045 catalog number signify?
The L indicates the interrupting rating tier within the PowerPacT H-Frame family. For this model, it denotes a high interrupting capacity of 100kA at 480VAC and 125kA at 240VAC.
What are the acceptable wire sizes for the terminal lugs on this breaker?
The factory-installed lugs accept wire sizes ranging from 14 AWG to 3/0 AWG. They are dual-rated for use with both aluminum and copper conductors.
Is the HLA36045 suitable for direct current systems?
Yes. In addition to its AC ratings, this breaker is rated for DC applications. It provides a 20kA interrupting capacity at 250VDC and 50kA at 500VDC.
Can the trip curve be adjusted on the HLA36045?
No. This breaker utilizes a standard thermal magnetic trip unit with fixed long-time and fixed instantaneous trip functions. The trip points cannot be adjusted in the field.
Which breaker family does the HLA36045 belong to?
It is part of the Schneider Electric and Square D PowerPacT H-Frame series. It serves as a direct replacement for older 45-amp, 3-pole I-Line breakers with the same frame size and interrupting capacity.
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